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Fix pthread_sigmask check for mingw32 without winpthreads 

On Fedora 19 and older the pthreads impl provided with
mingw does not have any pthread_sigmask impl at all. The
configure.ac check was not distinguishing this scenario
from that of a broken pthread_sigmask impl, so was
mistakenly enabling the libvirt workaround even when it
was not needed. This in turn conflicted with the gnulib
provided pthread_sigmask impl.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2014-01-29 13:54:11 +00:00
parent c065984b58
commit ab6979430a
1 changed files with 4 additions and 2 deletions
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6
configure.ac
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@ -285,8 +285,10 @@ AC_CACHE_CHECK([whether pthread_sigmask does anything],
#include <sys/types.h>
#include <signal.h>
]], [[
int (*foo)(int, const sigset_t *, sigset_t *) = &pthread_sigmask;
return !foo;
#ifdef pthread_sigmask
int (*foo)(int, const sigset_t *, sigset_t *) = &pthread_sigmask;
return !foo;
#endif
]])], [lv_cv_pthread_sigmask_works=yes], [lv_cv_pthread_sigmask_works=no])])
if test "x$lv_cv_pthread_sigmask_works" != xyes; then
AC_DEFINE([FUNC_PTHREAD_SIGMASK_BROKEN], [1],